Martina Hingis is a Swiss former professional tennis player. She is the first Swiss player, male or female, to win a Grand Slam and attain a No. 1 ranking. She spent a total of 209 weeks as the singles world No. 1 and 90 weeks as doubles world No. 1, holding both No. 1 rankings simultaneously for 29 weeks. She won 5 Grand Slam singles titles, 13 Grand Slam women's doubles titles, winning a calendar-year women's doubles Grand Slam in 1998, and 7 Grand Slam mixed doubles titles, for a combined total of 25 major titles. In addition, she won the season-ending WTA Finals two times in singles and three times in doubles, an Olympic silver medal, and a record 17 Tier I singles titles.
The Qatar Ladies Open, currently sponsored by TotalEnergies and called the Qatar TotalEnergies Open, is a women's tennis tournament held in Doha, Qatar. Held since 2001, this WTA Tour event was a Tier I-tournament in 2008, and was played on outdoor hardcourts. After a two-year break the tournament returned in 2011 and is held at the Khalifa International Tennis and Squash Complex.
Kristína Kučová is a Slovak tennis player. On 12 September 2016, she reached her best singles ranking of world No. 71. On 5 October 2009, she peaked at No. 168 in the doubles rankings.
The 1993 Qatar Open, known as the Qatar Mobil Open for sponsorship reasons, was an ATP Tour men's tennis tournament held in Doha, Qatar from 4 January until 11 January 1993.
Madison Brengle is an American professional tennis player. Her biggest success occurred in early 2015, reaching her first WTA Tour final in January, followed by a fourth round Grand Slam appearance at the Australian Open. In May, she reached a career-high singles ranking of No. 35. Her greatest victory came in 2017 over world No. 2, Serena Williams. She has won two WTA Challenger singles titles, 15 ITF singles titles, and seven ITF doubles titles.
The 1994 Qatar Open, known as the 1994 Qatar Mobil Open for sponsorship reasons, was an ATP men's tennis tournament held in Doha, Qatar. It was the second edition of the tournament and was held from 3 January until 10 January 1994. Third-seeded Stefan Edberg won his first title of the year and the 39th of his career.
The 2008 Qatar Open, known as the 2008 Qatar ExxonMobil Open, for sponsorship reasons, was a tennis tournament played on outdoor hard courts. It was the 16th edition of the Qatar ExxonMobil Open, and was part of the International Series of the 2008 ATP Tour. It took place at the Khalifa International Tennis Complex in Doha, Qatar, from 31 December 2007 through 5 January 2008.
The 2008 Qatar Ladies Open, known as the 2008 Qatar Total Open, for sponsorship reasons, was a tennis tournament played on outdoor hard courts. It was the 8th edition of the Qatar Total Open, and was part of the Tier I Series of the 2008 WTA Tour. It took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar, from February 18 through February 24, 2008.
The 1998 Qatar Open, known as the 1998 Qatar Mobil Open, for sponsorship reasons, was a men's tennis tournament played on outdoor hard courts in Doha, Qatar that was part of the World Series of the 1998 ATP Tour. The tournament was held from 5 January through 12 January 1998. Third-seeded Petr Korda won the singles title.
The 1999 Qatar Open, known as the 1999 Qatar Mobil Open, for sponsorship reasons, was a men's tennis tournament held in Doha, Qatar and part of the World Series of the 1999 ATP Tour. It was the seventh edition of the tournament and was played on hard court and was held from 4 January through 11 January 1999. Unseeded Rainer Schüttler, who entered the draw as a qualifier, won the singles title.
The 2002 Qatar Open, known as the 2002 Qatar ExxonMobil Open, for sponsorship reasons, was a men's tennis tournament played on outdoor hard courts at the Khalifa International Tennis Complex in Doha, Qatar and was part of the International Series of the 2002 ATP Tour. The tournament ran from 31 December 2001 through 5 January 2002. Sixth-seeded Younes El Aynaoui won the singles title.
The 2003 Qatar Open, known as the 2003 Qatar ExxonMobil Open, for sponsorship reasons, was a men's tennis tournament played on outdoor hard courts at the Khalifa International Tennis Complex in Doha in Qatar and was part of the International Series of the 2003 ATP Tour. The tournament ran from 30 December 2002 through 5 January 2003. Unseeded Stefan Koubek won the singles title.
Ma Long is a Chinese table tennis player and the reigning Olympic singles champion. Widely regarded as one of the greatest table tennis players of all time, he is the first male player to complete a career Double Grand Slam as the Olympic gold medalist in men's singles in 2016 and 2020. He held the ranking of number 1 for a total of 64 months, the most by any male in the history of table tennis. He is also champion in World Championships in men's singles in 2015, 2017 and 2019. His records led the International Table Tennis Federation to nickname him as "The Dictator" and "The Dragon". Since 2014, he has been the captain of the Chinese national table tennis men's team.
The 2001 Qatar Total Fina Elf Open was a tennis tournament played on outdoor hard courts at the Khalifa International Tennis Complex in Doha in Qatar and was part of Tier III of the 2001 WTA Tour. The tournament was held from 12 February through 18 February 2001. First-seeded Martina Hingis won the singles title.
Ding Ning is a former Chinese table tennis player. She was the winner of women's singles in the 2011 World Table Tennis Championships.
Svetlana Aleksandrovna Kuznetsova is a Russian professional tennis player. She has appeared in four Grand Slam singles finals, winning two, and has also appeared in seven doubles finals, winning twice. As a doubles player, Kuznetsova has reached the finals of each Grand Slam event at least once, winning the Australian Open twice.
The 2013 Qatar Open was a men's tennis tournament played on outdoor hard courts. It was the 21st edition of the Qatar Open, and part of the ATP World Tour 250 series of the 2013 ATP World Tour. It took place at the Khalifa International Tennis and Squash Complex in Doha, Qatar, from December 31, 2012, through January 5, 2013.
The 2006 Qatar Ladies Open, was a tennis tournament played on outdoor hard courts. It was the 6th edition of the Qatar Total Open, and was part of the Tier II Series of the 2006 WTA Tour. It took place at the Khalifa International Tennis Complex in Doha, Qatar, from February 27 through March 5, 2007.
The 2005 Qatar Ladies Open, was a tennis tournament played on outdoor hard courts. It was the 5th edition of the Qatar Total Open, and was part of the Tier II Series of the 2005 WTA Tour. It took place at the Khalifa International Tennis Complex in Doha, Qatar, in February 2005.
The 2004 Qatar Ladies Open, was a women's tennis tournament played on outdoor hard courts. It was the 4th edition of the Qatar Total Open, and was part of the Tier II Series of the 2004 WTA Tour. It took place at the Khalifa International Tennis Complex in Doha, Qatar from 1 March until 7 March 2004. Third-seeded Anastasia Myskina won the singles title.
Justine Henin 
Martina Hingis / 
Maria Kirilenko 
